Easter Sunday
Easter Sunday marks Jesus' resurrection.
After Jesus was crucified on the Friday (now known as Good Friday), his body was taken down from the cross, and buried in a cave tomb. The tomb was guarded by Roman Soldiers and an enormous stone was put over the entrance, so that no-one could steal the body.
On the Sunday, Mary Magdalene, followed later by some of Jesus' disciples visited the tomb and found that the stone had been moved, and that Jesus' body had gone.
Jesus himself was seen that day by Mary and the disciples, and for forty days afterwards by many people. His followers realised that God had raised Jesus from the dead. Christians call this the Resurrection.
The week leading up to Easter is called Holy Week.